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Finding the Fourth Proportional to 609,997.68, 914,737.30 and 249,920.64

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Solution

The fourth proportional to 609,997.68, 914,737.30 and 249,920.64 is: 374,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,997.68 : 914,737.30 = 249,920.64 : x
  2. Step 2: Convert to fraction form
    609,997.68/914,737.30 = 249,920.64/x
  3. Step 3: Cross multiply
    609,997.68x = 914,737.30 × 249,920.64
  4. Step 4: Simplify right side
    609,997.68x = 228,611,731,447.87
  5. Step 5: Solve for x
    x = 228,611,731,447.87/609,997.68
  6. Step 6: Final answer
    x = 374,774.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.